You can create an index on a view, but that is very rarely a good idea.","body@stringLength":"129","rawBody":"Oracle has \"Materilized Views\", MS SQL Server don't.You can create an index on a view, but that is
Azure 資料倉儲中具體化檢視類似 SQL Server 中的索引檢視表。 它的限制幾乎與索引檢視表相同 (請參閱建立索引檢視表以取得詳資訊),不過具體化檢視支援彙總函式。 注意 雖然CREATE MATERIALIZED VIEW 不支援 COUNT、DISTINCT、COUNT(DISTINCT 運算式) 或 COUNT_BIG (DISTINCT 運算式),但使用這些函數的...
so,. let close it with MS web site words Creating a unique clustered index on a view improves query performance because the view is stored in the database in the same way a table with a clustered index is stored. The query optimizer may use indexed views to speed up the query execution...
sys.pdw_materialized_view_column_distribution_properties (Transact-SQL) sys.pdw_materialized_view_distribution_properties (Transact-SQL) DBCC PDW_SHOWMATERIALIZEDVIEWOVERHEAD (Transact-SQL) Представлениякаталога Azure Synapse Analytics и Parallel Data Wareho...
Essentially a materialized view lets you tell the database to periodically refresh a table with the results of a query. You may join, group, and perform calculations. The goal is to increase query performance in a read-heavy environment. ...
SqlServer.Management.DatabaseMaintenance 程序集: Microsoft.SqlServer.MaintenancePlanTasks.dll C# 复制 public static bool IsMaterializedView (Microsoft.SqlServer.Management.Smo.View view); 参数 view View 返回 Boolean 适用于 产品版本 SQL Server .NET SDK 2016 本文内容 定义 适用...
often this functionality is notoffered at all. Materialized views were implemented first by the OracleDatabase: the Query rewrite feature was added from version 8i. They are alsosupported in Sybase SQL Anywhere. In IBMDB2, they are called “materialized query tables”; MS SQL called “indexed ...
You should also update your connection string in the tool. Here are a few sample commands to create a materialized view: First, create a keyspace name uprofile. SQL Copy CREATE KEYSPACE IF NOT EXISTS uprofile WITH REPLICATION = { 'class' : 'NetworkTopologyStrategy', 'datacenter1' : 1 }...
I am mostly an older-school SQL Server guy now working in ASA. I have a very large (hundreds of millions of records) table and I want to create a few...
ALTER MATERIALIZED VIEW sales_by_month_by_state REFRESH FAST; これ以降のマテリアライズド・ビューの自動リフレッシュは、高速リフレッシュになります。これは、単純なマテリアライズド・ビューであり、そのマスター表には、マテリアライズド・ビューの作成前または最後のリフレッシュ...